CN101876247B - Cutter drum extension mechanism - Google Patents
Cutter drum extension mechanism Download PDFInfo
- Publication number
- CN101876247B CN101876247B CN201010171333.2A CN201010171333A CN101876247B CN 101876247 B CN101876247 B CN 101876247B CN 201010171333 A CN201010171333 A CN 201010171333A CN 101876247 B CN101876247 B CN 101876247B
- Authority
- CN
- China
- Prior art keywords
- cutting head
- inner cylinders
- cylinder
- space
- inside casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005065 mining Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Control Of Cutting Processes (AREA)
Abstract
The invention relates to a cutter drum extension mechanism. A continuous mining machine cutting head structure is set forth. The head member is of the type having axially extensible and retractable end portions. Included within the head member is a toroidal hydraulic cylinder for selectively extending and retracting these end portions.
Description
Technical field
The present invention relates to a kind of continuous mining machine device, and relate more specifically to a kind of continuous mining machine device having with the cutter drum member of extensible end.The present invention is directed to a kind of for making cutter drum extension extend, regain and cutter drum extension is locked in the device of its extended position.
Background technology
In the continuous winning equipment of type used herein, cutting head mechanism is for from mineral ore removing materials, and can be operable to mining site path or space are provided, wherein, and equipment reach, and can exploit.Cutting head mechanism pivotally is arranged in mobile base, to swing in the perpendicular between mining site roof and ground, and comprise swing roller cutting head assembly, this swing roller cutting head arrangement of components, on horizontal cross axis, and has and makes tooth or the drill bit that mineral are broken and remove.This equipment also comprises conventional load head, for by loose mineral concentrate on mining site ground, and it backward and is inwardly moved towards the place ahead acceptance division of device transmission device.Swing roller cutting assembly has its end, and this end can be extended selectively or regain, to remove mineral from rib and the corner of mining site path respectively, and the effective length of shortening cutting head assembly provides gap at assembly sidepiece place.
As shown in fig. 1, continuous mining machine device is denoted as 10 on the whole, can adopt various forms, but for purposes of illustration, the crawler belt base 14 that has comprised bearing frame 16 herein, on framework 16, the front end place that the mining cantilever extending forward or supporting member 18 pivotallies are arranged on framework 16, to swing up and down between mining site roof and mining site ground.Elongated Mining Head member 24 extends transversely to supporting member 18, and is rotatably fixed thereon at its front end place.Mining Head member or cutting head 24 are mounted for by powered around the rotation of the longitudinal axis X--X of a member.Conventional load head 26 pivotallies are arranged on the front end place of framework 16, and below supporting member 18, extend forward from it, conventional load head 26 has vibrating type collection arm 28, for engaging the mineral of mining site, and by these mineral towards the known transmitting device 30 of mining machinery 10 backward and move inward.Conventional hydraulic jack (not shown) is used for making supporting member 18 around its pivotal line, to swing in perpendicular, and load head 26 is tilted around horizontal axis.
Elongated Mining Head member 24 is driven by a pair of motor 34.As shown in the figure, motor 34 axially aligns in state in isolated, and is roughly parallel to assembly 24 extensions.Supporting member 18 is suitable for bearing motor 34 at its opposite side portion place.
The driving that comes from motor 34 rotatably drives the head shaft 36 of cutting head assembly.The longitudinal axis that head shaft 36 is parallel to head component 24 extends, and can hold and rotatably by tubular gear housing extension portion 38, be supported, and the longitudinal axis that this gear housing extension portion 38 is also parallel to head component extends.For the drive system model of Mining Head member, can be U.S. Patent No. 3,617,093 or U.S. Patent No. 3,695, shown in 725, or be other conventional configurations.
As mentioned below, head shaft 36 rotatably drives: Infinite Cyclic belt-type continuous hinge cutting chain 48, hollow cylinder swing roller cutting head 50 and hollow cylinder swing roller cutting head extension 52, hollow cylinder swing roller cutting head extension 52 comprises column part 66, and this column part 66 can part be housed in the end of corresponding heads 50 slidably.Part 52 can be extended with hydraulic way from it selectively or regain.Operating personnel can be extended selectively or be regained extension by hydraulic control system.
U.S. Patent No. 4,489,985 and U.S. Patent No. 3,516,712 in the example of the drum-type cutting machine extension apparatus of conventional mining machinery has been shown.
In U.S. Patent No. 4,489, in 985, if in the prior art of Fig. 2 and Fig. 3, see like that, head shaft 36 drives the peripheral members 60 of cutting head 24 by driving ring 72, driving ring 72 engages the circumferential isolated keys 74 in a plurality of edges.Peripheral members 60 is bearing in housing extension portion 38 by bearing 76 and other internal bearings (not shown).
The extensible end part 52 of hollow cylinder swing roller makes its internal diameter be greater than the external diameter of cutting head 60, and is rotatably driven by cutting head 60.As shown in Figures 2 and 3, the circumferential isolated key 82 in a plurality of edges is fixed firmly on the outer peripheral portion of cutting head 60 its inner.As a result, head 60 is by means of key 82 drive end parts 52, in these key 82 transmissions ground engagement members 52 in the keyway of a plurality of cooperations corresponding one.Key 82 and keyway 84 are circumferentially spaced apart around cylinder 52 inner edges.The drive arrangement of above-mentioned key and keyway also allowed in addition cutting head end sections 52 with the relation of endwisely slipping with respect to cutting head 60 reciprocal axial motions, this relation that endwisely slips is present in respectively between key 82 and keyway 84.
Hydraulic cylinder 90 has been realized the extension of end sections 52 together with its piston rod 92.Bar 92 is connected on plate 94 securely, and plate 94 is slidably mounted in the internal diameter of cylinder 66 of end sections 52.Annular actuating ring 96 is attached on the internal diameter of cylinder 66 securely, so that therewith motion.Driving ring 96 has a plurality of perforates 99 in its annular outer surface, and in order to accommodate a plurality of bolts 98, one end of bolt 98 and piston 94 are threadedly engaged with therewith and move, and the other end is attached on locking release component 100 securely by screw thread.Be positioned at the diameter that diameter that the hole 99 on driving ring 96 has is greater than bolt 98 slightly, to allow that bolt 98 slides through therebetween.Therefore, the direction along longitudinal axis X--X moves as a unit for piston 94 and locking release component 100.
If in Fig. 2 best see, at least one latch members 102 pivotally is arranged on erection loop 104, this erection loop 104 is attached to securely head shaft 36 and therewith rotates.
U.S. Patent No. 3,516,712 disclose a kind of mining machinery that recovers the extensible head of mechanism with spring that has.With so that the device that extensible head extends is hydraulic cylinder.More specifically, as shown in Figure 5, there is the axle 87 that extends through vertically Mining Head 13.Utilize the key 88 in keyway 89, end Mining Head section 70 is slidably mounted on axle 87 its telescopic cylinder part 71.Slip collar 90 is fixed on the outer end of axle 87, and the inner cylinders 91 of coupling engages with slip collar 90 slidably in the mode of sealed engagement.Aperture 92 extends through axle 87 and arrives inner cylinders 91.Hydraulic fluid is transported in inner cylinders 91 telescopic cylinder part 71 and end Mining Head section 70 is outwards moved with respect to axle 87 via aperture 92.
Helical spring 93 is arranged between outside Mining Head section 65 and telescopic cylinder part 71.Ring 94 is fixed in the outside Mining Head section 65 of spring 93 one end, and ring 95 is fixed on the inner of the telescopic cylinder part 71 of spring 93 other ends.At the extended position of end Mining Head section 70, as shown in Figure 5, spring 93 is compressed between ring 94,95, and end Mining Head section 70 remains on its extended position by the hydraulic fluid being limited in inner cylinders 91.End Mining Head section 70 is discharged and regains from inner cylinders 91 by hydraulic fluid, and the power of the spring 93 of ring between 94,95 partly returns in outside Mining Head section 65 telescopic cylinder along axle 87.
Summary of the invention
The better cylinder extension, cylinder extension that the object of the present invention is to provide a kind of ratio to provide in above-mentioned cutting head.In conventional cutting head, for making the applied force of the extension of cylinder extension and locking sometimes also insufficient, thereby caused operating staff sometimes cylinder extension to be welded on its extended position.The object of the present invention is to provide the conventional cutting head of a kind of ratio to there is the cylinder extension of larger stretching force and latching force.More specifically, disclosed cylinder stretching force has than strong three times of above stretching force and the latching forces of conventional cutting head.
In the present invention, provide a kind of modified continuous mining machine device, described continuous mining machine device comprises and being arranged on for advancing the slender body part on the device of body part.Supporting member pivotally is fixed on body part, and extends forward from it.Elongated Mining Head member is arranged on the front end of supporting member, so that the longitudinal axis around head component rotates by powered.Head component has the cylinder extension that can extend vertically and regain.
Cylinder extension comprises and is attached to the interior end structure in main cutting head part and is attached to inner structural outer inside casing.Cylinder extension also comprises the inner cylinders that is attached on interior end structure and has external surface, and inner cylinders is coaxial with outer inside casing, and is housed in outer inside casing, but spaced apart with outer inside casing.Cylinder extension also comprises the extensible cylinder with inner annular bellend, and wherein, a part for this extensible cylinder is housed between inner cylinders and outer inside casing.The first space boundary is between interior end structure and the bellend of extensible cylinder.Cylinder extension also comprises the end cap with flange, and flange is contained in the outer end of inner cylinders wherein coaxially, and extensible cylinder bellend is housed between cover flange and outer inside casing.Second space is limited between inner cylinders and extensible cylinder and between extensible cylinder bellend and cover flange, so that when fluid enters the first space and leaves second space, extensible cylinder moves to extended position, and so that when hydraulic fluid enters second space and leaves the first space, extensible cylinder moves to retrieving position.
Accompanying drawing explanation
Fig. 1 is the partial plan layout of mining machinery;
Fig. 2 is the zoomed-in view that the existing master gear housing in the part of cutting head assembly is shown, and wherein, blocking mechanism is in its latched position; And
Fig. 3 is half the zoomed-in view that cutting head assembly is as shown in Figure 2 shown, and wherein, blocking mechanism is shown at unlocked position, and extension is retracted.
Fig. 4 is the cross sectional view of one end of the cutting head assembly of prior art.
Fig. 5 is according to the cross sectional view of cutting head assembly of the present invention one end, and wherein, cylinder extension is at its retrieving position.
Fig. 6 is according to the cross sectional view of cutting head assembly of the present invention one end, and wherein, cylinder extension is at its extended position.
The specific embodiment
In Fig. 5 and Fig. 6, illustrated according to mining machinery cutting structure 200 of the present invention.Wherein, similar element can be found out in Fig. 1 of accompanying drawing and Fig. 2, will carry out reference to Fig. 1 and Fig. 2.
Mining machinery cutting structure 200 comprises supporting member 18, and the front end place that is arranged on supporting member for by powered around the elongated cutting head assembly 204 of longitudinal axis rotation.Cutting head assembly 204 comprises the main cutting head part 50 at the center of being positioned at, and at least one cylinder extension 208, and described at least one cylinder extension 208 is positioned at one end place of cutting head assembly 204 in the axial outside of main cutting head part 50.Cylinder extension 208 can move to extended position with respect to main cutting head part 50 from retrieving position in the axial direction along longitudinal axis.More specifically, cylinder extension 208 comprises annular hydraulic cylinder, for extending selectively and regaining cylinder extension 208.
Cylinder extension 208 has axial inner ends and the axial outer end near main cutting head part 50, and cylinder extension 208 comprises the interior end structure 212 being attached in main cutting head part 50.Cylinder extension 208 also comprises the outer inside casing 216 being attached on interior end structure 212, and is attached to the inner cylinders 220 on interior end structure 212.Inner cylinders 220 also has external surface 224, and inner cylinders 220 is coaxial with outer inside casing 216, and is housed in outer inside casing 216, but spaced apart with outer inside casing 216.The same with the cylinder 66 in Fig. 2 and Fig. 3, inner cylinders 220 is also suitable for being connected to (not shown) on outside cutting head 60.
Cylinder extension 208 also comprises extensible cylinder 228 and end cap 230.Extensible cylinder 228 has inner annular bellend 232, and a part for extensible cylinder 228 is housed between inner cylinders 220 and outer inside casing 216.Bellend 232 has seal and bearing is supported the sliding motion of extensible cylinder 228 between inner cylinders and outer inside casing.The first space 218 is limited between interior end structure 212 and the bellend 232 of extensible cylinder 228.
End cap 230 has the flange 236 extending vertically, and flange 236 is housed in the outer end of inner cylinders 220 wherein coaxially, and extensible cylinder bellend 232 is housed between cover flange 236 and outer inside casing 216.Flange 236 has seal and bearing is supported the sliding motion of extensible cylinder 228 between flange 236 and outer inside casing 216.Second space 240 is limited between inner cylinders 220 and extensible cylinder 228 and between extensible cylinder bellend 232 and cover flange 236, so that when fluid enters the first space 218 and leaves second space 240, extensible cylinder 228 moves to extended position, and so that when hydraulic fluid enters second space 240 and leaves the first space 218, extensible cylinder 228 moves to retrieving position.
Inner cylinders 220 has through inner cylinders 220 and the extension port 244 that is communicated with the first space 218, and through inner cylinders 220 and the withdrawal port 248 that is communicated with second space 240.Through the conventional port (not shown) of elongated cutting head assembly 204, make fluid under pressure selectively in entry port 244 or 248, so that cylinder extension 208 is extended or regained.
Various further feature of the present invention will be set forth in appended claims.
Claims (3)
1. a mining machinery cutting structure, comprises supporting member,
Elongated cutting head assembly, the front end that described elongated cutting head assembly is arranged on described supporting member is sentenced for being rotated around longitudinal axis by powered, and described cutting head assembly comprises:
The main cutting head part of centralized positioning, and
At least one cylinder extension, described at least one cylinder extension is positioned at the place, one end of the described cutting head assembly in described main cutting head axial outside partly, described cylinder extension can move to extended position with respect to described main cutting head part from retrieving position in the axial direction along described longitudinal axis, described cylinder extension has axial inner ends and the axial outer end near described main cutting head part, and described cylinder extension comprises:
Interior end structure, described interior end structure is attached to described main cutting head and partly goes up,
Outer inside casing, described outer inside casing is attached on described interior end structure,
Inner cylinders, described inner cylinders is attached on described interior end structure and has external surface, and described inner cylinders is coaxial with described outer inside casing, and is housed in described outer inside casing, but spaced apart with described outer inside casing,
Extensible cylinder, described extensible cylinder has inner annular bellend, a part for described extensible cylinder is housed between described inner cylinders and described outer inside casing, the sliding motion for described extensible cylinder between described inner cylinders and described outer inside casing
The first space, described the first space boundary between described interior end structure and the bellend of described extensible cylinder, and
End cap, described end cap is positioned at the place, outer end of described inner cylinders, and described end cap has flange, and described flange is housed in the outer end of described inner cylinders in this flange coaxially, the bellend of described extensible cylinder is housed between the flange and described outer inside casing of described end cap, and
Second space, described second space is limited between described inner cylinders and described extensible cylinder and between the bellend of described extensible cylinder and the flange of described end cap, make when fluid enters described the first space and leaves described second space, described extensible cylinder moves to described extended position, and make when hydraulic fluid enters described second space and leaves described the first space, described extensible cylinder moves to described retrieving position.
2. mining machinery cutting structure according to claim 1, described inner cylinders has through described inner cylinders and the extension port that is communicated with described the first space.
3. mining machinery cutting structure according to claim 1, described inner cylinders has the withdrawal port being communicated with described second space through described inner cylinders.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/433,349 US8231179B2 (en) | 2009-04-30 | 2009-04-30 | Cutter drum extension mechanism |
| US12/433,349 | 2009-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101876247A CN101876247A (en) | 2010-11-03 |
| CN101876247B true CN101876247B (en) | 2014-09-10 |
Family
ID=42334658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010171333.2A Expired - Fee Related CN101876247B (en) | 2009-04-30 | 2010-04-28 | Cutter drum extension mechanism |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8231179B2 (en) |
| CN (1) | CN101876247B (en) |
| AU (1) | AU2010201514B2 (en) |
| GB (1) | GB2473084B (en) |
| RU (1) | RU2521985C2 (en) |
| ZA (1) | ZA201002624B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4093943A1 (en) | 2020-01-20 | 2022-11-30 | Sandvik Mining and Construction G.m.b.H. | A cutting assembly for a mining machine |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516712A (en) * | 1968-08-19 | 1970-06-23 | Jeffrey Galion Inc | Mining machine for mining material from the entire face |
| US3617093A (en) * | 1970-09-14 | 1971-11-02 | Glenn A Daily | Mining machine drum cutter extension means |
| US3695725A (en) * | 1970-09-23 | 1972-10-03 | Eugene F Pendolino | Mining machine drum cutter |
| SU443971A1 (en) * | 1973-03-22 | 1974-09-25 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Executive agency |
| US4003297A (en) * | 1975-03-28 | 1977-01-18 | Du-Al Manufacturing Company | Hydraulic cylinder |
| US4489985A (en) * | 1982-07-01 | 1984-12-25 | Joy Manufacturing Company | Cutter drum extension latching mechanism |
| RU2055184C1 (en) * | 1993-06-07 | 1996-02-27 | Малое предприятие "Пигма" | Working member of device for breaking of mineral media and artificial materials |
| JP2000097206A (en) | 1998-09-24 | 2000-04-04 | Kayaba Ind Co Ltd | Hydraulic cylinder |
| DE602005003982T2 (en) * | 2004-06-02 | 2008-12-11 | Goodrich Actuation Systems Ltd. | Linear actuator |
| CN1322240C (en) * | 2004-06-04 | 2007-06-20 | 浙江大学 | Single rod and rough symmetric double actuating surfaces hydraulic cylinder with internal displacement sensor |
| CN2767731Y (en) * | 2005-01-18 | 2006-03-29 | 无锡市华通液压气动制造有限公司 | Return-stroke two-stage hydraulic cylinder |
| CN2916219Y (en) * | 2005-10-26 | 2007-06-27 | 长沙中联重工科技发展股份有限公司 | Built-in hydraulic oil cylinder |
| RU2422634C1 (en) * | 2007-03-05 | 2011-06-27 | Сандвик Интеллекчуал Проперти Аб | Extension-type cutter drum for drilling machine |
-
2009
- 2009-04-30 US US12/433,349 patent/US8231179B2/en not_active Expired - Fee Related
-
2010
- 2010-04-15 ZA ZA2010/02624A patent/ZA201002624B/en unknown
- 2010-04-15 AU AU2010201514A patent/AU2010201514B2/en not_active Ceased
- 2010-04-28 RU RU2010118451/03A patent/RU2521985C2/en active
- 2010-04-28 CN CN201010171333.2A patent/CN101876247B/en not_active Expired - Fee Related
- 2010-05-12 GB GB1007923.4A patent/GB2473084B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU2010201514A1 (en) | 2010-11-18 |
| GB201007923D0 (en) | 2010-06-30 |
| RU2010118451A (en) | 2011-11-10 |
| RU2521985C2 (en) | 2014-07-10 |
| AU2010201514B2 (en) | 2014-06-26 |
| US20100276986A1 (en) | 2010-11-04 |
| ZA201002624B (en) | 2010-12-29 |
| GB2473084B (en) | 2013-05-15 |
| GB2473084A (en) | 2011-03-02 |
| CN101876247A (en) | 2010-11-03 |
| US8231179B2 (en) | 2012-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181120 Address after: American Pennsylvania Patentee after: Joy Global Underground Mining LLC Address before: Delaware Patentee before: Joy MM Delaware, Inc. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |